File:Patent-DE-349147.pdf

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Original file(1,295 × 1,752 pixels, file size: 404 KB, MIME type: application/pdf, 5 pages)
Inventor

William P. De Witt

Assignee

William Price De Witt

Country

DE

Application N°

349147

Application Date

1920-10-10

Patent N°

349147

Brevettato

1922-02-25

Priorità

1920-04-19

Brand

De Witt-La France

Title

Schreibstift mit verschiebbarem Minentraeger

Description

Matita meccanica

Riferimenti esterni

Informazioni

Brevetto per una matita meccanica. Stessa invenzione di nº US-1472962. Stessa invenzione di nº GB-171154. Stessa invenzione di nº FR-526035. Priorità dal brevetto statunitense.

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current23:30, 18 March 2014Thumbnail for version as of 23:30, 18 March 20141,295 × 1,752, 5 pages (404 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=William P. De Witt |Assignee=William Price De Witt |Country=DE |ApplicationNum=349147 |ApplicationDate=1920-10-10 |PatentNum=349147 |PatentDate=1922-02-25 |PriorityDate=1920-04-19 |Titolo=Schreibstift mit verschiebbarem Minentrae...
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Metadata

Facts about "Patent-DE-349147.pdf"
Application dateOctober 10, 1920 +
Application number349147 +
Assigned toWilliam Price De Witt +
Invented byWilliam P. De Witt +
Patent dateFebruary 25, 1922 +
Patent descriptionMatita meccanica +
Patent number349147 +
Patent titleSchreibstift mit verschiebbarem Minentraeger +
Patented byDe Witt-La France +
Patented inDE +
Priority dateApril 19, 1920 +
Same invention ofFile:Patent-US-1472962.pdf +, File:Patent-GB-171154.pdf + and File:Patent-FR-526035.pdf +